TY - JOUR
T1 - A new rolling bearing fault diagnosis method based on multiscale permutation entropy and improved support vector machine based binary tree
AU - Li, Yongbo
AU - Xu, Minqiang
AU - Wei, Yu
AU - Huang, Wenhu
N1 - Publisher Copyright:
© 2015 Elsevier Ltd. All rights reserved.
PY - 2016/1/1
Y1 - 2016/1/1
N2 - A new bearing vibration feature extraction method based on multiscale permutation entropy (MPE) and improved support vector machine based binary tree (ISVM-BT) is put forward in this paper. Local mean decomposition (LMD), a new self-adaptive time-frequency analysis method, is utilized to decompose the roller bearing vibration signal into a set of product functions (PFs) and then MPE method is used to characterize the complexity of the principal PF component in different scales. After the feature extraction, a new pattern recognition approach called ISVM-BT is introduced to accomplish the fault identification automatically, which has the priority of high recognition accuracy compared with other classifiers. Besides, the Laplacian score (LS) is introduced to refine the fault feature by sorting the scale factors. Finally, the rolling bearing fault diagnosis method based on LMD, MPE, LS and ISVM-BT is proposed and the experimental results indicate the proposed method is effective in identifying the different categories of rolling bearings.
AB - A new bearing vibration feature extraction method based on multiscale permutation entropy (MPE) and improved support vector machine based binary tree (ISVM-BT) is put forward in this paper. Local mean decomposition (LMD), a new self-adaptive time-frequency analysis method, is utilized to decompose the roller bearing vibration signal into a set of product functions (PFs) and then MPE method is used to characterize the complexity of the principal PF component in different scales. After the feature extraction, a new pattern recognition approach called ISVM-BT is introduced to accomplish the fault identification automatically, which has the priority of high recognition accuracy compared with other classifiers. Besides, the Laplacian score (LS) is introduced to refine the fault feature by sorting the scale factors. Finally, the rolling bearing fault diagnosis method based on LMD, MPE, LS and ISVM-BT is proposed and the experimental results indicate the proposed method is effective in identifying the different categories of rolling bearings.
KW - Fault diagnosis
KW - Improved support vector machine based binary tree (ISVM-BT)
KW - Laplacian score (LS)
KW - Local mean decomposition (LMD)
KW - Multi-scale permutation entropy (MPE)
UR - http://www.scopus.com/inward/record.url?scp=84941884955&partnerID=8YFLogxK
U2 - 10.1016/j.measurement.2015.08.034
DO - 10.1016/j.measurement.2015.08.034
M3 - 文章
AN - SCOPUS:84941884955
SN - 0263-2241
VL - 77
SP - 80
EP - 94
JO - Measurement: Journal of the International Measurement Confederation
JF - Measurement: Journal of the International Measurement Confederation
ER -